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agriTECH

agritech
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Published by Universitas Gadjah Mada

ISSN : 02160455 EISSN : 25273825 DOI : 10.22146/agritech

Core Subject : Agriculture,

Agriculture, Biological Sciences & Forestry

Agritech with registered number ISSN 0216-0455 (print) and ISSN 2527-3825 (online) is a scientific journal that publishes the results of research in the field of food and agricultural product technology, agricultural and bio-system engineering, and agroindustrial technology. This journal is published by Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta in colaboration with Indonesian Association of Food Technologies (PATPI).

Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)

Articles 1,392 Documents

114 115 116 117 118

Consumer Behavior Intentions to Purchase Daily Needs through Online Store Channel Moh. Wahyudin; Henry Yuliando; Amalia Savitri
agriTECH Vol 40, No 4 (2020)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

The inception of the 4.0 industrial era led to the evolution of internet information technology, which significantly changed the business sector’s marketing, transaction, and payment systems into online stores. This new marketplace is an important business infrastructure used to develop marketing strategies in this technological era. Therefore, it enables companies or enterprises, including those in the retail sector, to remotely sell daily products, such as cooking needs, foods, snacks, beverages, toiletries, and laundries through various online platforms. Furthermore, these companies need to creatively and anticipatively participate in the various trading competition by having an online shopping channel. This study aims to measure consumer behavior intention in using the online store channel to purchase daily needs products in order to determine the influence of convenience and risk transactions on behavioral intentions. Data were obtained from respondents that consistently make use of online stores channel. The result showed that consumers’ ease and convenience during transactions, especially in terms of payment and delivery service, have a positive and significant effect on their attitude and behavioral intention to use online store channel to purchase daily needs products.

Development of Yellow Sweet Potato and Red Kidney Bean-based Instant Cream Soup for Pregnant Mothers with Chronic Energy Deficiency Fahrul Rozi; Sri Anna Marliyati
agriTECH Vol 40, No 3 (2020)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

This study aimed to develop an instant cream soup formula composed of yellow sweet potato and red kidney bean for maternal chronic energy deficiency. The selected formula is acceptable based on organoleptic test. In addition, the food formula is expected to meet nutritional needs, including protein, fat, carbohydrate, energy, and vitamin A. Amino acid score and in vitro protein digestibility were also measured to verify whether or not the product of the formulation has high protein quality. The instant cream soup was composed of yellow sweet potato and red kidney bean. Additional ingredients that were added to increase the nutritional value and sensoryattributes of the instant cream soup included soy protein isolate, egg white flour, maltodextrin, red palm oil, onion, garlic, leek, celery, chicken broth, fresh cream (cooking cream), black pepper, and salt). This experimental study used a randomized factorial design in laboratory. The treatment unit included two factors: provision of yellow sweet potato and red kidney bean consisting of three levels (50%:50%, 75%:25%, and 25%:75%) and addition of maltodextrin consisting of two levels (0% and 5%). Hedonic organoleptic analysis showed that theselected formula comprised 75%:25% yellow sweet potato and red kidney bean and 5% maltodextrin addition (F5). Nutrient content analysis revealed that the product contained 3.85% moisture, 3.15% ash, 30.19% protein, 14.18% fat, 48.63% carbohydrate, 443 kcal energy, 17.67% dietary fiber, 87 ppm β-carotene, and 77.21% protein digestibility. This study also showed that methionine and cysteine were the limiting amino acids in the selected product with a score of 47%. Acceptability from 100 pregnant women was assessed, and results showed that 87% of pregnant women accepted the product. These results indicate that this product has the potential to be an alternative snack for maternal chronic energy deficiency because of its nutritional values.

Karakteristik Growol yang Dibuat dengan Variasi Varietas Ubi Kayu (Manihot esculenta Crantz) dan Lama Fermentasi Sandi Afrianto; Chatarina Wariyah
agriTECH Vol 40, No 3 (2020)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Growol is a staple food made from processed cassava through fermentation, washing, pressing, and chopping. It is beneficial to health due to its lactic acid bacteria content. The problem was that producers always mix different cassava varieties, and varied fermentation time. Meanwhile, each cassava has different composition, especially their starch content. The fermentation time was not constant which ranges between 2-4 days. Furthermore, the typical sour taste and lactic acid bacteria content are determined by the length of this period. Therefore, this study aimed to evaluate the effect of cassava varieties and fermentation time on the chemical properties, total lactic acid bacteria (LAB), and the preference level of growol. The cassava used in this study were Meni, Ketan, and Lanting varieties, with fermentation time ranging between 2-4 days. Each sample were analyzed to determine moisture content, starch, and amylose. Furthermore, the fermented cassava that has been washed and pressed, was steamed for 15 minutes. Therefore, the resulted growols were analyzed to determine their moisture content, pH, titratable acidity, total LAB, and preference level using hedonic test method. The results showed the starch content were not significantly different, but the chemical properties was affected by the fermentation time (moisture content, amylose, titratable acidity), total LAB and preference level. Furthermore, the acceptable growols were made from Meni variety with fermentation time ranging between 2-4 days, or Ketan and Lanting varieties with 2 days fermentation. However, based on the lactic acid bacteria content, growol should be made with Meni variety with 4 days fermentation process, which had moisture content of 60.31 ± 0.21%, titratable acidity of 0.40 ± 0.05% and lactic acid bacteria content of 1.5x106 cfu/g.

Pemodelan Laju Respirasi Buah Kolang-kaling (Arenga pinnata) pada Penyimpanan Modified Atmospheric Packaging (MAP) Arina Fatharani; Nursigit Bintoro; Arifin Dwi Saputro
agriTECH Vol 40, No 2 (2020)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Buah kolang-kaling (Arenga pinata) merupakan buah tropis yang yang penanganan pascapanen dan penyimpanannya masih menggunakan cara tradisional. Hal ini menyebabkan kesulitan dalam distribusi pemasaran. Salah satu cara yang belum banyak digunakan untuk mempertahankan umur simpan buah kolang-kaling adalah dengan penyimpanan dalam Modified Atmospheric Packaging (MAP). Penentuan suhu ruang penyimpanan dan kemasan diketahui dapat mempengaruhi kualitas produk segar yang diwakili oleh laju respirasi produk (produksi CO₂). Tujuan dari penelitian ini adalah untuk menganalisis laju respirasi dalam MAP dan memodelkan laju respirasi berdasarkan suhu ruang penyimpanan dan ketebalan kemasan. Kombinasi perlakuan yang digunakan adalah suhu ruang penyimpanan dan ketebalan kemasan. Suhu ruang penyimpanan yang digunakan adalah 5, 15, dan 28 °C. Kemasan yang digunakan adalah Low Density Polyethylene (LDPE) dengan ketebalan 30, 50, dan 80 μm. Nilai permeabilitas CO₂ sebesar 13205,4; 8390,1; dan 5260 cm³/m².d.0,1MPa untuk ketebalan 30, 50, dan 80 μm. Laju respirasi tertinggi didapatkan pada suhu penyimpanan 28 °C dengan ketebalan kemasan 30 μm sebesar 8,61 mL/kg.jam. Laju respirasi produksi CO₂ terendah didapatkan pada suku penyimpanan 5 °C dengan ketebalan kemasan 80 μm sebesar 1,97 mL/kg.jam. Suhu ruang penyimpanan dan kemasan memiliki pengaruh yang signifikan terhadap laju respirasi buah kolang-kaling dalam MAP. Suhu ruang penyimpanan yang tinggi dan kemasan yang lebih tipis atau kemasan dengan nilai permeabilitas yang tinggi akan menghasilkan laju respirasi yang lebih tinggi. Analisis statistik mengindikasikan bahwa suhu ruang penyimpanan, karakteristik kemasan, dan interaksi kedua faktor tersebut berpengaruh secara signifikan pada laju respirasi produksi CO2 buah kolang-kaling dalam MAP (p<0,05). Persamaan Arrhenius dan persamaan regresi polinomial dapat menjelaskan pengaruh suhu ruang penyimpanan dan ketebalan kemasan terhadap pola perubahan laju respirasi dari buah Kolang-kaling dalam MAP.

Efektivitas Tutupan Rumput Gajah (Pennisetum purpureum) dalam Mitigasi Erosi Tanah oleh Air Hujan Muhammad Chrisna Satriagasa; Hatma Suryatmojo
agriTECH Vol 40, No 2 (2020)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Aktivitas manusia yang intensif terhadap lahan menyebabkan erosi dipercepat. Dampaknya yaitu tanah dari wilayah hulu terpindahkan ke wilayah hilir menyebabkan dampak serius. Tanaman penutup tanah memiliki peranan penting dalam pengurangan erosi tanah dengan cara mengurangi energi kinetik air. Penelitian ini bertujuan menginvestigasi dan menganalisis rumput gajah (Pennisetum purpureum) dalam mengurangi limpasan permukaan dan erosi tanah. Penelitian ini bersifat ekperimental dengan menggunakan simulator hujan. Simulator hujan yang digunakan memiliki ukuran 200 cm (T) x 120 cm (P) x 120 cm (L) dan memiliki 10 nozzle, dapat mensimulasikan intensitas hujan dan kemiringan lereng. Parameter yang digunakan dalam simulasi ini yaitu intensitas hujan sebesar 54,59 mm/jam, kemiringan lereng sejumlah 5 kelas. Intensitas hujan dipilih dengan pertimbangan simulasi pada intensitas hujan sangat lebat serta keterbatasan alat dalam meproduksi variasi intensitas hujan. Plot uji berukuran 80 cm (P) x 50 cm (L) x 30 cm (T) sebanyak 10 plot yang terdiri dari 2 jenis yaitu dengan rumput dan tanpa rumput. Pengukuran setiap plot dilakukan selama 60 menit dan dilakukan pengambilan data setiap 2 menit. Analisis kuantitatif dilakukan pada limpasan permukaan dan sedimentasi, sedangkan analisis kualitatif dilakukan terhadap bentukan erosi. Temuan dari penelitian ini yaitu tutupan rumput gajah mampu mengurangi akumulasi limpasan permukaan hingga lahan dengan lereng miring (15-25%). Tutupan rumput dapat mengurangi erosi sebesar 98,85% yang didekati menggunakan parameter turbidity. Tanah di lokasi kajian memiliki karakteristik fisik yang rentan terhadap erosi, sehingga tutupan lahan khususnya rumput gajah sangat berperan dalam mengurangi potensi bahaya erosi.

Penilaian Daya Dukung Sungai Antirogo di Kabupaten Jember terhadap Beban Pencemaran Menggunakan Metode Streeter-Phelps Sri Wahyuningsih; Elida Novita; Deni Agung Idayana
agriTECH Vol 40, No 3 (2020)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

The Antirogo River is a tributary of Bedadung Watershed which flows from Tegal Gede Village to Sumbersari Village, Jember Regency, East Java. The land areas near the River is used for agriculture, residential settlements, and industry. The wastes dumped from these lands degrades the water quality. Therefore, this study aimed to determine the river capacity against pollution loads, using the Streeter Phelps method in accordance with the Decree of Environment State Minister No. 110 of 2003. Water samples was taken from the River and divided into four monitoring points namely ATR01, ATR02, ATR03, and ATR04. A purposive sampling method was used and the water quality was analyzed. The average pollution load is 70.37 kg/day. Furthermore, the highest load is 81.04kg/day at ATR03 and the lowest is 64.81 kg/day at ATR04. Therefore, the river’s capacity can be determined by calculating the reaeration and deoxygenation rate, critical oxygen deficit, distance, and time taken to reach a point. The average deoxygenation rate is 1.77 mg/L.day, and that of reaeration is 16.13 mg/L.day. Also, the DOact values at ATR01, ATR02, ATR03, and ATR04 were 6.59 mg/L, 6.67 mg/L, 6.63 mg/L, and 6.67 mg/L respectively. The average value of oxygen deficit is 1.19 mg/L. According to the values of deoxygenation, reaeration, oxygen deficit, and DOact, it can be interpreted that the river is not in a critical condition, and, therefore, can tolerate pollutant load of 7.26 kg/day.

Reviewer Volume 39, Tahun 2019 Volume 39 Tahun 2019
agriTECH Vol 39, No 4 (2019)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Indeks Penulis Volume 39, Tahun 2019 Indeks Penulis Volume 39 Tahun 2019
agriTECH Vol 39, No 4 (2019)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Indeks Subjek Volume 39, Tahun 2019 Indeks Subjek Volume 39 Tahun 2019
agriTECH Vol 39, No 4 (2019)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Effect of Antioxidant and Pro-oxidant on the Stability of Microencapsulated Squalene by Spray Drying Dwi Ayuni; Joko Nugroho Wahyu Karyadi; Arifin Dwi Saputro; Hidefumi Yoshii
agriTECH Vol 41, No 1 (2021)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Natural hydrocarbon compounds are extremely in high demand across various applications. For instance, squalene (SQ) is widely used in cosmetic and food supplement industries, due to beneficial health components. The aim of this study was to investigate the potentials of antioxidant addition on the physical properties, as well as SQ stability in spray-dried powder at various oil droplet diameters (0.3 – 4 µm). Rosemary oil extract served as antioxidant, while iron (II) sulfate accelerated the oxidation. Subsequently, SQ stability was evaluated at four separate temperatures, termed 25, 50, 70, and 105°C, after one month storage. Also, the morphological structures of the samples were characterized with scanning electron microscopy (SEM). The results showed the oil droplet diameter influenced the physical properties of SQ, as lesser drip sizes were known to enhance material strength. Furthermore, antioxidant inclusion proved to be effective in inhibiting oxidation, particularly in powders with extensive oil droplet diameter. Therefore, high regression coefficients (R2 > 0.97) and reduced chi-square confirmed Weibull model acceptance in predicting the retention of SQ content.

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Contact Name
Fiametta Ayu Purwandari

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fiametta@ugm.ac.id

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+6285712601130

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agritech@ugm.ac.id

Editorial Address
Faculty of Agricultural Technology, Universitas Gadjah Mada, Jl. Flora No. 1, Bulaksumur, Yogyakarta 55281, Indonesia

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Kab. sleman,

Daerah istimewa yogyakarta

INDONESIA

Abstract

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Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

Contact Name Fiametta Ayu Purwandari

Contact Email fiametta@ugm.ac.id

Phone +6285712601130

Journal Mail Official agritech@ugm.ac.id

Editorial Address Faculty of Agricultural Technology, Universitas Gadjah Mada, Jl. Flora No. 1, Bulaksumur, Yogyakarta 55281, Indonesia

Location Kab. sleman, Daerah istimewa yogyakarta INDONESIA

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Contact Name
Fiametta Ayu Purwandari

Contact Email
fiametta@ugm.ac.id

Phone
+6285712601130

Journal Mail Official
agritech@ugm.ac.id

Editorial Address
Faculty of Agricultural Technology, Universitas Gadjah Mada, Jl. Flora No. 1, Bulaksumur, Yogyakarta 55281, Indonesia

Location
Kab. sleman,

Daerah istimewa yogyakarta

INDONESIA